Ingredient:

• 1/2 cup butter, softened
• 1 cup sugar
• 2 large eggs, room temperature
• 1/2 cup 2% milk
• 1 teaspoon vanilla extract
• 2 cups gluten-free baking flour (with xanthan gum)
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 2 cups fresh or frozen unsweetened blueberries
• Coarse sugar